Identifies an element (or elements) in order to define a visual, functional, or contextual parent/child relationship between DOM elements where the DOM hierarchy cannot be used to represent the relationship. See related aria-controls.
The value of the aria-owns attribute is a space-separated ID reference list that references one or more elements in the document by ID. The reason for adding aria-owns is to expose a parent/child contextual relationship to assistive technologies that is otherwise impossible to infer from the DOM.
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If an element has both aria-owns and DOM children then the order of the child elements with respect to the parent/child relationship is the DOM children first, then the elements referenced in aria-owns. If the author intends that the DOM children are not first, then list the DOM children in aria-owns in the desired order. Authors SHOULD NOT use aria-owns as a replacement for the DOM hierarchy. If the relationship is represented in the DOM, do not use aria-owns. Authors MUST ensure that an element's ID is not specified in more than one other element's aria-owns attribute at any time. In other words, an element can have only one explicit owner.
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If an element has both aria-owns and DOM children then the order of the child elements with respect to the parent/child relationship is the DOM children first, then the elements referenced in aria-owns. If the author intends that the DOM children are not first, then list the DOM children in aria-owns in the desired order. Authors SHOULD NOT use aria-owns as a replacement for the DOM hierarchy. If the relationship is represented in the DOM, do not use aria-owns.
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Authors MUST ensure that an element's ID is not specified in more than one other element's aria-owns attribute at any time. In other words, an element can have only one explicit owner. Authors MUST NOT create circular references with aria-owns. In the case of authoring error with aria-owns, the user agent MAY ignore some aria-owns element references in order to build a consistent model of the content.